GHILDYAL, . C. Catastrophe theory. MAUSAM, [S. l.], v. 36, n. 2, p. 191–196, 1985. DOI: 10.54302/mausam.v36i2.1838. Disponível em: http://103.215.208.102/index.php/MAUSAM/article/view/1838. Acesso em: 5 oct. 2024.